21648242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8269}}^1$

素因数の和:8306

約数の個数: 32

約数和(自身を含む): 42871680

約数和(自身を除く): 21223438

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 8269, 16538, 57883, 90959, 115766, 140573, 181918, 281146, 636713, 984011, 1273426, 1546303, 1968022, 3092606, 10824121, 21648242]

約数ペア:

[(1, 21648242), (2, 10824121), (7, 3092606), (11, 1968022), (14, 1546303), (17, 1273426), (22, 984011), (34, 636713), (77, 281146), (119, 181918), (154, 140573), (187, 115766), (238, 90959), (374, 57883), (1309, 16538), (2618, 8269)]